Evolution SOFA and AKI criteria at 8, 24, 48 and 72h Hemodynamics hourly up to 8h Fluid administration and balance at 8, 24, 48 y 72h Complete perfusion assessment when the targeted parameter is normalized and then at 8, 24, 48 and 72h Register of vasoactive drugs and dobutamine/milrinone use Register of MV and RRT Source control re-analysis at 4h Rescue therapies: high-volume hemofiltration (HVHF), vasopressin, epinephrine, steroids, others Echocardiography at least once during the study period Follow-up till 28 days for use of MV, RRT and vasopressors All cause mortality at hospital discharge, 28 and 90 days Cause of death